一気呵成

いっきかせい

adverb, noun

•

finishing writing, work, etc. at a stroke (stretch), knocking something off without a break(yojijukugo)

一	one, one radical (no.1)
気	spirit, mind, air, atmosphere, mood
呵	scold, blow on, reprove
成	turn into, become, get, grow, elapse, reach

かれ

、

いっきかせい

かあ

い

、

ていあんしょ

、

すこ

ざつ

He said he dashed this proposal off in one sitting. It's pretty sloppy